used to describe a particular form of a verb when it is not related to the main form of the verb, for example ‘went’ as the past tense of ‘go’ 不規則詞形屈折,異幹互補(如 went 作爲 go 的過去式) Some of the verbs have suppletive forms for the past tense. 有些動詞有過去時態的補語形式。